OpenTechnical

OT-2026-000096490

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000096490) never changes.

Identity and time

Publication numberOT-2026-000096490 · never reused
Internal UUID01a0aea0-a4a9-716e-bde8-3f7ffd1c2205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096490
StatusPUBLIC

Content hashes

Canonical text2b0e8b4189508979f812349967d39d327198bfc9cf1b7968095fcdd2b97399bd
Markdown3b4fd1c388d326bd23e7825d02619f1c8a690df87806f255e7ae1905ee4e0517
PDF
Publication pagefd11fe3833254b21b5a339cf26c7ec1a23ab3a0aaf5fa07f59374c253737e4f4
Manifestac74ce4f965f89bf4db6c15a0ef655182a089db1100acc1044714899ac516993

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureq09HQvMZ2wBRq2tk8lDZOLOjBXihDKIPA8vuX3Xsmezq7t8Y+EtJnwAUs1E7x6gn2/5dvqz6QKs29LAqIU8zDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:49.276583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096490
observed fd11fe3833254b21b5a339cf26c7ec1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.256733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096490/manifest.json
observed ac74ce4f965f89bf4db6c15a0ef65518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.239535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096490/publication.md
observed 3b4fd1c388d326bd23e7825d02619f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.221539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096490/publication.txt
observed 2b0e8b4189508979f812349967d39d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.